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Ning Sun
edc81c2355
* ci: update cargo fuzz command to use nightly toolchain explicitly
* ci: honor RUSTUP_TOOLCHAIN pin in fuzz orchestration script
An explicit `+toolchain` argument overrides the RUSTUP_TOOLCHAIN env var
in rustup precedence, so the hard-coded `cargo +nightly` in
run-fuzz-targets.sh bypassed the pinned FUZZ_RUST_TOOLCHAIN
(nightly-2026-03-21) configured in the workflow.
- Invoke `cargo +"${RUSTUP_TOOLCHAIN:-nightly}" fuzz run` in the script
so CI uses the pinned toolchain and local runs fall back to the
floating nightly
- Pass RUSTUP_TOOLCHAIN through to all four fuzz-test action invocations,
covering the no-prebuilt-binaries path and making the reproduce command
in the summary print the exact pinned toolchain
- Add test_rustup_toolchain_env_is_honored covering the pinned-env
scenario for both the cargo invocation args and the summary text
Addresses #9298 (review).
Signed-off-by: Ning Sun <sunning@greptime.com>
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Signed-off-by: Ning Sun <sunning@greptime.com>